Cita APA (7th ed.)

Faires, J. D., & DeFranza, J. (1997). Precalculus. Brooks/Cole.

Cita Chicago (17th ed.)

Faires, J. Douglas, i James DeFranza. Precalculus. Pacific Grove, CA: Brooks/Cole, 1997.

Cita MLA (9th ed.)

Faires, J. Douglas, i James DeFranza. Precalculus. Brooks/Cole, 1997.